#20145: TP-Link Archer C7, kernel panic under light load
-----------------------+------------------------
Reporter: merpmerp | Owner: developers
Type: defect | Status: new
Priority: normal | Milestone:
Component: packages | Version: Trunk
Resolution: | Keywords:
-----------------------+------------------------
Comment (by merpmerp):
cat /sys/kernel/debug/crashlog
Time: 1437551679.260221
Modules: pppoe@8728e000+1e90 ppp_async@86e4c000+18b0
iptable_nat@87364000+2f0 ath9k@86ee0000+158b6 pppox@87377000+54a
ppp_generic@87368000+4ff2 nf_nat_ipv4@86e4a000+1091
nf_conntrack_netlink@86e58000+4bc0 nf_conntrack_ipv6@873a8000+1670
nf_conntrack_ipv4@86e92000+1490 ipt_REJECT@87358000+380
ipt_MASQUERADE@87294000+290 ath9k_common@86e50000+4bae
xt_time@86c37000+660 xt_tcpudp@87291000+6c0 xt_state@86e6d000+2b0
xt_recent@86c34000+1a10 xt_nat@86e40000+480
xt_multiport@86e9e000+4a0 xt_mark@86e95000+2a0
xt_mac@86e9b000+270 xt_limit@86e98000+3e0 xt_id@86e8b000+1e0
xt_helper@86e89000+370 xt_conntrack@8735e000+870
xt_connmark@87359000+4c0 xt_connlimit@873ac000+d90
xt_connbytes@87357000+5d0 xt_comment@873bf000+1e0
xt_TCPMSS@873aa000+a60 xt_REDIRECT@86cc2000+2a0
xt_LOG@87356000+300 xt_CT@86e64000+990 slhc@86e84000+10fb
nfnetlink@87355000+f9b nf_reject_ipv4@86ccd000+8a3
nf_nat_redirect@873b4000+3db nf_nat_masquerade_ipv4@86cce000+58c
nf_nat_ftp@873b8000+4d0 nf_nat@86e60000+27fc nf_log_ipv4@86cc4000+ca0
nf_defrag_ipv6@86c3c000+2377nf_defrag_ipv4@872a8000+346
nf_conntrack_rtcache@872a1000+9b0 nf_conntrack_ftp@873a4000+14c0
iptable_raw@87298000+280 iptable_mangle@86cd6000+3b0
iptable_filter@86e80000+2a0 ip_tables@873b0000+254d
crc_ccitt@86e83000+3fb ath9k_hw@87300000+523da ath5k@87380000+23dc2
sch_teql@86c2b000+e90 sch_tbf@86c2e000+1420 sch_sfq@86c28000+2010
sch_red@86c2c000+11c0 sch_prio@86c1c000+cd0 sch_pie@86c19000+fe0
sch_netem@86c1e000+1b50 sch_htb@86c20000+3330
sch_gred@86c10000+1960 sch_fq@86c12000+17d0 sch_dsmark@86ced000+ea0
sch_codel@86cfa000+1050 em_text@86c0f000+560 em_nbyte@87175000+2d0
em_meta@86cfe000+11c0 em_cmp@87174000+2e0 cls_basic@872ac000+bc0
act_police@86ce1000+cc0 act_ipt@86cf4000+9c0 sch_esfq@86cfc000+1b70
act_connmark@86cf5000+620 nf_conntrack@86c00000+d2f2
act_skbedit@86cd3000+680 act_mirred@86cd4000+950
em_u32@86cd0000+240 cls_u32@86cc0000+1930
cls_tcindex@872be000+10d0 cls_flow@872bc000+14d0
cls_route@872ae000+1220 cls_fw@872a3000+e00 sch_hfsc@872b0000+3470
sch_ingress@872a0000+3f0 ath10k_pci@87198000+5b4c
ath10k_core@871c0000+2ed50 ath@87190000+4e55
mac80211@87200000+61d8f cfg80211@870c0000+3537e compat@87147000+b6f
ledtrig_usbdev@8703c000+790 ip6t_REJECT@870ba000+400
nf_reject_ipv6@87039000+988 nf_log_ipv6@87145000+d30
nf_log_common@870bf000+9ef ip6table_raw@8702b000+240
ip6table_mangle@87bcf000+470 ip6table_filter@870b7000+260
ip6_tables@8708c000+24d1 x_tables@8702c000+2ae5
ip_tunnel@87bcc000+28ef veth@870b6000+c20 tun@87080000+3b5f
ipv6@87100000+43b44 vxlan@87030000+6063 udp_tunnel@87be1000+574
ip6_udp_tunnel@87be6000+547 arc4@87026000+520
crypto_blkcipher@87be8000+2967 ohci_platform@87b9f000+ce0
ohci_hcd@87b70000+568f ehci_platform@87b51000+f70
ehci_hcd@87b30000+7ecc gpio_button_hotplug@87b40000+1180
usbcore@87b80000+1cbf4 nls_base@87b2c000+1370 usb_common@87b25000+488
<6>[ 5.121758] hub 1-0:1.0: 1 port detected
<6>[ 5.126024] ehci-platform ehci-platform.1: EHCI Host Controller
<6>[ 5.132082] ehci-platform ehci-platform.1: new USB bus registered,
assigned bus number 2
<6>[ 5.142371] ehci-platform ehci-platform.1: TX-TX IDP fix enabled
<6>[ 5.148478] ehci-platform ehci-platform.1: irq 49, io mem 0x1b400000
<6>[ 5.170440] ehci-platform ehci-platform.1: USB 2.0 started, EHCI
1.00
<6>[ 5.177629] hub 2-0:1.0: USB hub found
<6>[ 5.181719] hub 2-0:1.0: 1 port detected
<6>[ 5.187881] ohci_hcd: USB 1.1 'Open' Host Controller (OHCI) Driver
<6>[ 5.195236] ohci-platform: OHCI generic platform driver
<14>[ 5.332852] init: - preinit -
<6>[ 6.125975] eth1: link up (1000Mbps/Full duplex)
<5>[ 6.245680] random: procd urandom read with 10 bits of entropy
available
<5>[ 9.502740] jffs2: notice: (404) jffs2_build_xattr_subsystem:
complete building xattr subsystem, 0 of xdatum (0 unchecked, 0 orphan) and
0 of xref (0 dead, 0 orphan) found.
<14>[ 9.520588] mount_root: switching to jffs2 overlay
<6>[ 9.546332] eth1: link down
<14>[ 9.557889] procd: - early -
<14>[ 9.561387] procd: - watchdog -
<14>[ 10.333639] procd: - ubus -
<14>[ 11.351583] procd: - init -
<6>[ 13.028388] NET: Registered protocol family 10
<6>[ 13.037044] tun: Universal TUN/TAP device driver, 1.6
<6>[ 13.042206] tun: (C) 1999-2004 Max Krasnyansky <[email protected]>
<6>[ 13.055410] ip6_tables: (C) 2000-2006 Netfilter Core Team
<6>[ 13.071029] Loading modules backported from Linux version
master-2015-06-22-0-g4732c92
<6>[ 13.079059] Backport generated by backports.git
backports-20150626-0-gc1a4168
<6>[ 13.107673] cfg80211: Calling CRDA to update world regulatory domain
<6>[ 13.120586] cfg80211: World regulatory domain updated:
<6>[ 13.125806] cfg80211: DFS Master region: unset
<6>[ 13.130222] cfg80211: (start_freq - end_freq @ bandwidth),
(max_antenna_gain, max_eirp), (dfs_cac_time)
<6>[ 13.140126] cfg80211: (2402000 KHz - 2472000 KHz @ 40000 KHz),
(N/A, 2000 mBm), (N/A)
<6>[ 13.148248] cfg80211: (2457000 KHz - 2482000 KHz @ 40000 KHz),
(N/A, 2000 mBm), (N/A)
<6>[ 13.156367] cfg80211: (2474000 KHz - 2494000 KHz @ 20000 KHz),
(N/A, 2000 mBm), (N/A)
<6>[ 13.164494] cfg80211: (5170000 KHz - 5250000 KHz @ 80000 KHz,
160000 KHz AUTO), (N/A, 2000 mBm), (N/A)
<6>[ 13.174112] cfg80211: (5250000 KHz - 5330000 KHz @ 80000 KHz,
160000 KHz AUTO), (N/A, 2000 mBm), (0 s)
<6>[ 13.183729] cfg80211: (5490000 KHz - 5730000 KHz @ 160000 KHz),
(N/A, 2000 mBm), (0 s)
<6>[ 13.191938] cfg80211: (5735000 KHz - 5835000 KHz @ 80000 KHz),
(N/A, 2000 mBm), (N/A)
<6>[ 13.200052] cfg80211: (57240000 KHz - 63720000 KHz @ 2160000 KHz),
(N/A, 0 mBm), (N/A)
<4>[ 13.282840] PCI: Enabling device 0000:01:00.0 (0000 -> 0002)
<6>[ 13.289012] ath10k_pci 0000:01:00.0: pci irq legacy interrupts 0
irq_mode 0 reset_mode 0
<4>[ 13.508084] ath10k_pci 0000:01:00.0: Direct firmware load for
ath10k/QCA988X/hw2.0/firmware-5.bin failed with error -2
<4>[ 13.518985] ath10k_pci 0000:01:00.0: Falling back to user helper
<3>[ 13.593801] firmware ath10k!QCA988X!hw2.0!firmware-5.bin:
firmware_loading_store: map pages failed
<3>[ 13.603075] ath10k_pci 0000:01:00.0: could not fetch firmware file
'ath10k/QCA988X/hw2.0/firmware-5.bin': -11
<4>[ 13.613235] ath10k_pci 0000:01:00.0: Direct firmware load for
ath10k/QCA988X/hw2.0/firmware-4.bin failed with error -2
<4>[ 13.624103] ath10k_pci 0000:01:00.0: Falling back to user helper
<3>[ 13.697796] firmware ath10k!QCA988X!hw2.0!firmware-4.bin:
firmware_loading_store: map pages failed
<3>[ 13.707059] ath10k_pci 0000:01:00.0: could not fetch firmware file
'ath10k/QCA988X/hw2.0/firmware-4.bin': -11
<4>[ 13.717229] ath10k_pci 0000:01:00.0: Direct firmware load for
ath10k/QCA988X/hw2.0/firmware-3.bin failed with error -2
<4>[ 13.728097] ath10k_pci 0000:01:00.0: Falling back to user helper
<3>[ 13.801882] firmware ath10k!QCA988X!hw2.0!firmware-3.bin:
firmware_loading_store: map pages failed
<3>[ 13.811160] ath10k_pci 0000:01:00.0: could not fetch firmware file
'ath10k/QCA988X/hw2.0/firmware-3.bin': -11
<6>[ 14.646742] ath10k_pci 0000:01:00.0: qca988x hw2.0 (0x4100016c,
0x043202ff) fw 10.1.467.2-1 api 2 htt 2.1 wmi 2 cal file max_sta 128
<6>[ 14.658883] ath10k_pci 0000:01:00.0: debug 0 debugfs 1 tracing 0 dfs
1 testmode 1
<7>[ 14.762736] ath: EEPROM regdomain: 0x0
<7>[ 14.762750] ath: EEPROM indicates default country code should be
used
<7>[ 14.762759] ath: doing EEPROM country->regdmn map search
<7>[ 14.762775] ath: country maps to regdmn code: 0x3a
<7>[ 14.762784] ath: Country alpha2 being used: US
<7>[ 14.762791] ath: Regpair used: 0x3a
<6>[ 14.774138] cfg80211: Calling CRDA for country: US
<6>[ 14.779144] cfg80211: Regulatory domain changed to country: US
<6>[ 14.785087] cfg80211: DFS Master region: FCC
<6>[ 14.789321] cfg80211: (start_freq - end_freq @ bandwidth),
(max_antenna_gain, max_eirp), (dfs_cac_time)
<6>[ 14.799211] cfg80211: (2402000 KHz - 2472000 KHz @ 40000 KHz),
(N/A, 3000 mBm), (N/A)
<6>[ 14.807341] cfg80211: (5170000 KHz - 5250000 KHz @ 80000 KHz,
160000 KHz AUTO), (N/A, 1700 mBm), (N/A)
<6>[ 14.816963] cfg80211: (5250000 KHz - 5330000 KHz @ 80000 KHz,
160000 KHz AUTO), (N/A, 2300 mBm), (0 s)
<6>[ 14.826583] cfg80211: (5490000 KHz - 5730000 KHz @ 160000 KHz),
(N/A, 2300 mBm), (0 s)
<6>[ 14.834792] cfg80211: (5735000 KHz - 5835000 KHz @ 80000 KHz),
(N/A, 3000 mBm), (N/A)
<6>[ 14.842914] cfg80211: (57240000 KHz - 63720000 KHz @ 2160000 KHz),
(N/A, 4000 mBm), (N/A)
<6>[ 14.870924] u32 classifier
<6>[ 14.873677] input device check on
<6>[ 14.877390] Actions configured
<6>[ 14.952015] Mirror/redirect action on
<6>[ 15.191747] nf_conntrack version 0.5.0 (1966 buckets, 7864 max)
<6>[ 15.214934] netem: version 1.3
<6>[ 15.254134] ip_tables: (C) 2000-2006 Netfilter Core Team
<6>[ 15.315892] Netfilter messages via NETLINK v0.30.
<6>[ 15.372358] xt_time: kernel timezone is -0000
<6>[ 15.409454] ctnetlink v0.93: registering with nfnetlink.
<6>[ 15.424775] PPP generic driver version 2.4.2
<6>[ 15.439285] NET: Registered protocol family 24
<7>[ 15.470085] ath: EEPROM regdomain: 0x0
<7>[ 15.470101] ath: EEPROM indicates default country code should be
used
<7>[ 15.470108] ath: doing EEPROM country->regdmn map search
<7>[ 15.470126] ath: country maps to regdmn code: 0x3a
<7>[ 15.470134] ath: Country alpha2 being used: US
<7>[ 15.470142] ath: Regpair used: 0x3a
<7>[ 15.483564] ieee80211 phy1: Selected rate control algorithm
'minstrel_ht'
<6>[ 15.485947] ieee80211 phy1: Atheros AR9550 Rev:0 mem=0xb8100000,
irq=47
<6>[ 21.940744] eth1: link up (1000Mbps/Full duplex)
<6>[ 21.958506] device eth1 entered promiscuous mode
<6>[ 21.970760] IPv6: ADDRCONF(NETDEV_UP): br-lan: link is not ready
<6>[ 22.002905] IPv6: ADDRCONF(NETDEV_UP): eth0: link is not ready
<6>[ 23.150518] br-lan: port 1(eth1) entered forwarding state
<6>[ 23.156036] br-lan: port 1(eth1) entered forwarding state
<6>[ 23.614771] IPv6: ADDRCONF(NETDEV_CHANGE): br-lan: link becomes
ready
<6>[ 24.838658] eth0: link up (1000Mbps/Full duplex)
<6>[ 24.996589] IPv6: ADDRCONF(NETDEV_CHANGE): eth0: link becomes ready
<6>[ 25.150441] br-lan: port 1(eth1) entered forwarding state
<6>[ 25.308973] IPv6: ADDRCONF(NETDEV_UP): wlan1: link is not ready
<6>[ 25.423783] device wlan1 entered promiscuous mode
<6>[ 25.428617] br-lan: port 2(wlan1) entered forwarding state
<6>[ 25.434233] br-lan: port 2(wlan1) entered forwarding state
<6>[ 25.679628] device wlan1-1 entered promiscuous mode
<6>[ 25.711799] br-lan: port 3(wlan1-1) entered forwarding state
<6>[ 25.717591] br-lan: port 3(wlan1-1) entered forwarding state
<6>[ 25.723437] IPv6: ADDRCONF(NETDEV_UP): wlan1-1: link is not ready
<6>[ 27.395466] Atheros AR8216/AR8236/AR8316 ag71xx-mdio.0:00: Port 1 is
up
<6>[ 27.403556] Atheros AR8216/AR8236/AR8316 ag71xx-mdio.0:00: Port 5 is
up
<6>[ 27.430428] br-lan: port 2(wlan1) entered forwarding state
<6>[ 27.710451] br-lan: port 3(wlan1-1) entered forwarding state
<6>[ 28.405531] IPv6: ADDRCONF(NETDEV_UP): wlan0: link is not ready
<6>[ 28.412642] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready
<6>[ 28.480465] br-lan: port 3(wlan1-1) entered disabled state
<6>[ 28.521216] device wlan0 entered promiscuous mode
<6>[ 28.526283] br-lan: port 3(wlan1-1) entered forwarding state
<6>[ 28.532101] br-lan: port 3(wlan1-1) entered forwarding state
<6>[ 28.538059] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1-1: link becomes
ready
<6>[ 28.693983] device wlan0-1 entered promiscuous mode
<6>[ 28.710810] br-lan: port 4(wlan0) entered forwarding state
<6>[ 28.716438] br-lan: port 4(wlan0) entered forwarding state
<6>[ 28.722153] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready
<6>[ 28.763386] br-lan: port 5(wlan0-1) entered forwarding state
<6>[ 28.769161] br-lan: port 5(wlan0-1) entered forwarding state
<6>[ 28.775059] IPv6: ADDRCONF(NETDEV_UP): wlan0-1: link is not ready
<6>[ 29.413168] br-lan: port 5(wlan0-1) entered disabled state
<6>[ 30.133496] br-lan: port 5(wlan0-1) entered forwarding state
<6>[ 30.139309] br-lan: port 5(wlan0-1) entered forwarding state
<6>[ 30.145230] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0-1: link becomes
ready
<6>[ 30.530453] br-lan: port 3(wlan1-1) entered forwarding state
<6>[ 30.710455] br-lan: port 4(wlan0) entered forwarding state
<6>[ 32.130452] br-lan: port 5(wlan0-1) entered forwarding state
<5>[ 39.806819] random: nonblocking pool is initialized
<4>[35426.964823] do_cpu invoked from kernel context![#1]:
<4>[35426.969870] CPU: 0 PID: 3 Comm: ksoftirqd/0 Not tainted 4.1.2 #5
<4>[35426.975965] task: 87828a10 ti: 87840000 task.ti: 87840000
<4>[35426.981433] $ 0 : 00000000 00000000 00000059 00000000
<4>[35426.986765] $ 4 : 86914700 00000001 ffffcccc 00000001
<4>[35426.992099] $ 8 : 00000000 86914714 00000000 00000000
<4>[35426.997431] $12 : 00002038 00000000 00000010 00000000
<4>[35427.002763] $16 : 86914900 00002920 0000000a 00000100
<4>[35427.008096] $20 : 803f0000 803f3958 0000000a 00000009
<4>[35427.013429] $24 : 8039a030 8f998baa
<4>[35427.018762] $28 : 87840000 87841e18 00000024 800ac6a4
<4>[35427.024095] Hi : 00000001
<4>[35427.027018] Lo : 00000001
<4>[35427.029989] epc : 86914718 0x86914718
<4>[35427.033895] ra : 800ac6a4 __rcu_process_callbacks+0xac/0xd0
<4>[35427.039803] Status: 1100fc03 KERNEL EXL IE
<4>[35427.044072] Cause : 1080002c
<4>[35427.046995] PrId : 00019750 (MIPS 74Kc)
<4>[35427.050970] Modules linked in: pppoe ppp_async iptable_nat ath9k
pppox ppp_generic nf_nat_ipv4 nf_conntrack_netlink nf_conntrack_ipv6
nf_conntrack_ipv4 ipt_REJECT ipt_MASQUERADE ath9k_common xt_time xt_tcpudp
xt_state xt_recent xt_nat xt_multiport xt_mark xt_mac xt_limit xt_id
xt_helper xt_conntrack xt_connmark xt_connlimit xt_connbytes xt_comment
xt_TCPMSS xt_REDIRECT xt_LOG xt_CT slhc nfnetlink nf_reject_ipv4
nf_nat_redirect nf_nat_masquerade_ipv4 nf_nat_ftp nf_nat nf_log_ipv4
nf_defrag_ipv6 nf_defrag_ipv4 nf_conntrack_rtcache nf_conntrack_ftp
iptable_raw iptable_mangle iptable_filter ip_tables crc_ccitt ath9k_hw
ath5k sch_teql sch_tbf sch_sfq sch_red sch_prio sch_pie sch_netem sch_htb
sch_gred sch_fq sch_dsmark sch_codel em_text em_nbyte em_meta em_cmp
cls_basic act_police act_ipt sch_esfq act_connmark nf_conntrack
act_skbedit act_mirred em_u32 cls_u32 cls_tcindex cls_flow cls_route
cls_fw sch_hfsc sch_ingress ath10k_pci ath10k_core ath mac80211 cfg80211
compat ledtrig_usbdev ip6t_REJECT nf_reject_ipv6 nf_log_ipv6 nf_log_common
ip6table_raw ip6table_mangle ip6table_filter ip6_tables x_tables ip_tunnel
veth tun ipv6 vxlan udp_tunnel ip6_udp_tunnel arc4 crypto_blkcipher
ohci_platform ohci_hcd ehci_platform ehci_hcd gpio_button_hotplug usbcore
nls_base usb_common
<4>[35427.165368] Process ksoftirqd/0 (pid: 3, threadinfo=87840000,
task=87828a10, tls=00000000)
<4>[35427.173739] Stack : 87828a10 8039cbc0 87828a40 8039cbc0 803a0000
00000200 803f397c 800ac6dc
<4>[35427.173739] 87828a10 8039cbc0 8039cbc0 8009e3a0 87828a10
80083e24 8039cbc0 8039e1f8
<4>[35427.173739] 00000000 80066760 00000001 00000002 04208040
00359982 87815300 803a6980
<4>[35427.173739] 00000001 00000002 8009a230 8782872c 803ab758
00000000 00000000 80083f80
<4>[35427.173739] 1100fc03 001b7e56 286b051e 80340000 00800400
8009a378 803ab758 00000000
<4>[35427.173739] ...
<4>[35427.210066] Call Trace:
<4>[35427.212582] [<800ac6dc>] rcu_process_callbacks+0x14/0x28
<4>[35427.217990] [<8009e3a0>] pick_next_task_idle+0x1c/0x30
<4>[35427.223214] [<80083e24>] __do_softirq+0x150/0x284
<4>[35427.227989] [<80066760>] __schedule+0x4b4/0x59c
<4>[35427.232591] [<8009a230>] smpboot_thread_fn+0x0/0x178
<4>[35427.237631] [<80083f80>] run_ksoftirqd+0x28/0x48
<4>[35427.242315] [<8009a378>] smpboot_thread_fn+0x148/0x178
<4>[35427.247523] [<800668cc>] schedule+0x84/0x9c
<4>[35427.251777] [<800988cc>]
blocking_notifier_chain_unregister+0x40/0x80
<4>[35427.258328] [<80097c3c>] kthread+0xd8/0xe4
<4>[35427.262510] [<80097b64>] kthread+0x0/0xe4
<4>[35427.266588] [<80060878>] ret_from_kernel_thread+0x14/0x1c
<4>[35427.272068]
<4>[35427.273575]
<4>[35427.273575] Code: 86a68960 0000000c 86914b90 <00000001> 86914498
86914918 00000000 0070726f 63000000
<4>[35427.283772] ---[ end trace 41d89d4f35095f92 ]---
==================
--
Ticket URL: <https://dev.openwrt.org/ticket/20145#comment:2>
OpenWrt <http://openwrt.org>
Opensource Wireless Router Technology
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